WEEK 6 EXAM 3 - BIOS 255
CHAMBERLAIN QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
2024
what is pulmonary ventilation? - ANSWER movement of gases into and out of the lungs
what is ventilation between? - ANSWER external environment and lungs
what is inhalation? - ANSWER air moving from the external environment into the lungs
during inhalation, O2 __ and CO2 ___ air is moved into the lungs - ANSWER rich, poor
during exhalation, O2 ___ and CO2 ___ air are removed from the lungs - ANSWER poor, rich
what is exhalation? - ANSWER air moving from the lungs to the external environment
what is respiration? - ANSWER exchange of gases across a membrane into and out of a blood vessel
during respiration, CO2 diffuses from the capillary blood into the ___ while oxygen diffuses from the
lungs into the ___ - ANSWER lungs, capillary blood
what is tissue respiration - ANSWER exchange of O2/CO2 between the blood in the systemic capillaries
what is the cellular respiration equation? - ANSWER C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
what happens to oxygen during external respiration? - ANSWER moves from the alveoli across the
alveolar membrane into the pulmonary capillary bed
, what happens to carbon dioxide during external respiration? - ANSWER moves from the capillary bed
across the alveolar membrane into the alveoli
what happens to carbon dioxide during internal respiration? - ANSWER moves from the interstitial fluid
across the systemic capillary membrane into the systemic capillary bed
what happens to oxygen during internal respiration? - ANSWER moves from the systemic capillary bed
across the systemic capillary membrane into the interstitial fluid where it is used to create ATP
what are the functions of the respiratory system? - ANSWER communication, olfaction, pH balance,
blood pressure regulation, filtration of blood, production of platelets, promoting blood and lymph flow
how is communication involved in the respiratory system? - ANSWER involved in speech, vocalization,
crying, and laughing
how is olfaction involved in the respiratory system? - ANSWER site for smelling
how is the pH balance involved in the respiratory system? - ANSWER control the levels of CO2
how is blood pressure regulation involved in the respiratory system? - ANSWER lungs are responsible for
producing ACE which is involved in the production of angiotensin II
what is angiotensin II - ANSWER hormone that assists in blood pressure regulation and promotes the
release of aldosterone
how is filtration of blood involved in the respiratory system? - ANSWER the lungs are capable of filtering
small blood clots in the blood
how is production of platelets involved in the respiratory system? - ANSWER body's platelets are
generated from megakaryocytes in the lungs not bone marrow
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